Exception Hibernate "Exception while trying to autodiscover types"

Olá, alguém sabe me dizer o que pode estar fazendo acontecer este erro?" Exception while trying to autodiscover types"?E também "# Token unknown - line 1, char 260

CHARACTER_LENGTH "?

desde já obrigado


Exception in thread "AWT-EventQueue-0" org.hibernate.HibernateException: Exception while trying to autodiscover types.
        at org.hibernate.loader.custom.CustomLoader.autoDiscoverTypes(CustomLoader.java:508)
        at org.hibernate.loader.Loader.getResultSet(Loader.java:1796)
        at org.hibernate.loader.Loader.doQuery(Loader.java:674)
        at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:236)
        at org.hibernate.loader.Loader.doList(Loader.java:2220)
        at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2104)
        at org.hibernate.loader.Loader.list(Loader.java:2099)
        at org.hibernate.loader.custom.CustomLoader.list(CustomLoader.java:289)
        at org.hibernate.impl.SessionImpl.listCustomQuery(SessionImpl.java:1695)
        at org.hibernate.impl.AbstractSessionImpl.list(AbstractSessionImpl.java:142)
        at org.hibernate.impl.SQLQueryImpl.list(SQLQueryImpl.java:152)
        at Pers.BuscaEnderecoPers.verificaEndereco(BuscaEnderecoPers.java:29)
        at RN.BuscaEnderecoRN.verificaEndereco(BuscaEnderecoRN.java:20)
        at GUI.MembroGUI.buscarCep(MembroGUI.java:632)
        at GUI.MembroGUI.jBBuscaCepActionPerformed(MembroGUI.java:556)
        at GUI.MembroGUI.access$300(MembroGUI.java:29)
        at GUI.MembroGUI$4.actionPerformed(MembroGUI.java:358)
        at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
        at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
        at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
        at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
        at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
        at java.awt.Component.processMouseEvent(Component.java:6263)
        at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
        at java.awt.Component.processEvent(Component.java:6028)
        at java.awt.Container.processEvent(Container.java:2041)
        at java.awt.Component.dispatchEventImpl(Component.java:4630)
        at java.awt.Container.dispatchEventImpl(Container.java:2099)
        at java.awt.Component.dispatchEvent(Component.java:4460)
        at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4574)
        at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4238)
        at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4168)
        at java.awt.Container.dispatchEventImpl(Container.java:2085)
        at java.awt.Window.dispatchEventImpl(Window.java:2478)
        at java.awt.Component.dispatchEvent(Component.java:4460)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
Caused by: org.firebirdsql.jdbc.FBSQLException: GDS Exception. Dynamic SQL Error
SQL error code = -104
Token unknown - line 1, char 260
CHARACTER_LENGTH
        at org.firebirdsql.jdbc.FBPreparedStatement.<init>(FBPreparedStatement.java:81)
        at org.firebirdsql.jdbc.FBConnection.prepareStatement(FBConnection.java:243)
        at org.firebirdsql.jdbc.FBConnection.getStatement(FBConnection.java:1178)
        at org.firebirdsql.jdbc.FBConnection.doQuery(FBConnection.java:1203)
        at org.firebirdsql.jdbc.FBResultSetMetaData.getExtendedFieldInfo(FBResultSetMetaData.java:821)
        at org.firebirdsql.jdbc.FBResultSetMetaData.getExtFieldInfo(FBResultSetMetaData.java:651)
        at org.firebirdsql.jdbc.FBResultSetMetaData.getPrecision(FBResultSetMetaData.java:321)
        at org.hibernate.loader.custom.CustomLoader$Metadata.getHibernateType(CustomLoader.java:558)
        at org.hibernate.loader.custom.CustomLoader$ScalarResultColumnProcessor.performDiscovery(CustomLoader.java:485)
        at org.hibernate.loader.custom.CustomLoader.autoDiscoverTypes(CustomLoader.java:501)
        ... 41 more

//GUI
 private void buscarCep() {

        BuscaEnderecoRN enderecoRN = new BuscaEnderecoRN();
        endereco = enderecoRN.verificaEndereco(jFCep.getText().replace("(", "").replace(")", "").replaceAll("-", ""));
        jTRua.setText(endereco.getEnderecoLogradouro());
        jTBairro.setText(endereco.getBairro().getBairroDescricao());
        jTCidade.setText(endereco.getBairro().getCidade().getCidadeDescricao());


    }
//RN

public class BuscaEnderecoRN {

    public Endereco verificaEndereco(String ENDERECO_CEP) {
       //throw new UnsupportedOperationException("Not yet implemented");
        BuscaEnderecoPers endPers= new BuscaEnderecoPers();
        return endPers.verificaEndereco(ENDERECO_CEP);


    }

}

//Pers

public class BuscaEnderecoPers {

    public Endereco verificaEndereco(String ENDERECO_CEP) {
        //throw new UnsupportedOperationException("Not yet implemented");
        Conexao1 con = new Conexao1();
        Query buscaE = con.session.createSQLQuery("select bairro_descricao, cidade_descricao, endereco_logradouro, uf_sigla from bairro, cidade, endereco, uf "
                + "where endereco_cep=" + ENDERECO_CEP + " and endereco.bairro_codigo=bairro.bairro_codigo and bairro.cidade_codigo=cidade.cidade_codigo and cidade.uf_codigo=uf.uf_codigo");
 
        Endereco endereco = new Endereco();
        Bairro consBairro = new Bairro();
        Cidade consCidade = new Cidade();

        if (buscaE.list().iterator().hasNext()) {
            consBairro.setBairroDescricao(buscaE.list().get(0).toString());
            consCidade.setCidadeDescricao(buscaE.list().get(1).toString());
            endereco.setEnderecoLogradouro(buscaE.list().get(2).toString());
            consBairro.setCidade(consCidade);
            endereco.setBairro(consBairro);
        }
        con.desconectar();
        return endereco;
    }